/*
#include <iostream>
#include<stdio.h>
#include<stdlib.h>
#include <string.h>
#include<windows.h>
#define OK 1
#define N 10
//using namespace std;
typedef struct student {
public:
	int STUDENTID;//学号
	char name[2*N];//姓名string s2("Hello");
	char sex[N];//性别
	char Date[10];
	float egrade;//英语成绩
	float data_structure;//数据结构成绩
	float all_grade=egrade+data_structure;//总成绩
	struct student* next;//指向下一个学生的指针
}S;
student  * p=head;
void menu1();//teacher
void menu2();//student
void input();
void insert();
int traversal();
void Search();
void modifications();
void Delete();
void sortingorder();
void menu();
void select1();//teacher
void select2();//student
void createlist();
*/
